About dmaST

dmaST · 2025-01-12

Hello, When programming an ELF file into a new STM32L431 chip(blank FLASH) for the very first time, the program does not start running automatically. It only runs correctly after a full power-off reset.However, after this initial procedure, new ELF f...

dmaST · 2023-10-05

IMHO, to prevent IO OUT conflicts when MCU is a fresh new one with blank FLASH, bootloader IO in/out info should be added to cubeIDE/MX pinout configuration. Thanks

dmaST · 2025-01-14

Yes, bootloader and hardware may have some issue with Flash Empty checking timing.Following CLI command just works fine:"STM32_Programmer_CLI.exe -c port=SWD mode=UR -e all -d Test-L431CC.elf -v -ob nSWBOOT0=0 nBOOT0=1 -ob displ -rst"with OB setting,...

dmaST · 2025-01-13

Thanks.Yes, but if this is the problem, the 2nd, 3rd... flashing and running will also may not work but they are all OK except the first time.The BOOT0 (PH3) pin value is latched on the 4th edge of the internal startup clock source after the reset is...

dmaST · 2025-01-13

Thanks.then, it's normal?

User statistics

User Activity

new STM32L431 chip first time running failed

Add bootloader IO in/out info to cubeIDE/MX pinout configuration?

Re: new STM32L431 chip first time running failed

Re: new STM32L431 chip first time running failed

Re: new STM32L431 chip first time running failed